You need to be a member in order to leave a comment. Work experience has always taught me to consider all risks before changing a well known way to do something, 'cause something will come out of the blue and come back and bite you. Sassy Lass, Phenolic coated ply would be good for fire resistance and hard wearing but water resistance is one of the key properties you are after. If you use WBP glue for the plywood / film faced plywood, the panel will can be exposed to weather, water and moisture for a long period (some maybe permanently ) without delamination . Hydrotek marine Meranti is manufactured with more ply’s than traditional marine plywood produced in North America to ensure both stability and strength. I can't point you to one thats the right balance of cost and performance, but I'll bet the one you want isn't the cheapest! 6MM 1/4" x 12 x 12 Euro Color Ply Phenolic Plywood, Film Faced with Baltic Birch Core (Black) 4.5 out of 5 stars 2. Question though is do board think phenolic would be worse/same/better for use as floor lining ...? At first glance, you may not recognize the key differences between exterior grade plywood and marine plywood. This page uses frames, but your browser doesn't support them. If you're right, then a couple of layers of thick PE film would do the trick - as they use in timber framed houses (only one layer of PE in ours). Why would you pay £45 per sheet when its £33 a sheet at the builders merchants ? Plywood Core Types Classic Core You can adjust your cookie settings, otherwise we'll assume you're okay to continue. They haven’t been repaired, and the flaws can be a little larger and more noticeable. Are you sure you haven't got your wires a bit crossed here? Thanks all. I do like the sound of your damp proof membrane but could that yield its own problems ie does normal marine ply allow some 'breathing' so any water accumulating from say condensation can then evaporate and escape. Same is true of exterior grade. Stocking sizes 6mm 4x8 9mm 4x8 12mm 4x8 15mm 4x8 18mm 4x8 is [**] necessary, or even a good idea ? WBP plywood using ordinary phenolic resin glue can handle boiling water for one to three days. Boston whaler use a product called whaleboard which is a composite board manufactured in 8' x 4' sheets. I kind of doubt it. You've done a great looking job with that floor, Sassy. 00. Good spot ('Builderdepot' was going to be my source for the marine ply , which they have on for £60, plus £55 for delivery oop north). However was planning different usage. Or one day you will wonder what is happening under the floor and you will have built the entire fit out on 8X4 sheets of ply and you can't get the b******** up. Some of the far eastern stuff is really not really designed for long life as you can see from the depth and make up of the layers. In plywood, WBP stands for Weather and Boil Proof, the category of glue used to make the most durable plywood. Building codes recognize both plywood and OSB to be alike in their properties and use the phrase \"wood structural panel\" to describe them.However, plywood subfloors are stiffer than OSB by about 10%. pero wag ka mag alala. - would it be better to allow the ply to breathe ? Sign up for a new account in our community. ask any farmer with an Ifor williams trailer! The product you describe sounds like Tufnol or similar and it is far more expensive that £80 plus VAT for an 8 x 4 sheet. For anyone looking into this in the future, I rang around today and found the price. Several aircraft builders use marine grade plywood in aircraft construction. Tread carefully now, because there's all kinds of quality of plywood out there and picking the wrong one now will be hard to undo later. Higher grade melamine plywood can withstand boiling water for 10 to 20 hours. As a result, OSB floors are more li… In 7 years my cabin floor has not been subjected to any significant amount of water from any source, am I doing something wrong? Phenolic Plywood is common Eastern European or Scandinavian Birch plywood (EURO Birch or Baltic Birch) bonded with waterproof phenol resin adhesive and overlaid on both sides with the phenol film (grade F/F). the Douglas fir wbp exterior grade ply is strong and stable and makes a good floor but try to get a good face one side. Aquatek Marine Ply – 48” x 96" Aquatek is a lauan based marine grade plywood. - Im learning a lot. Thats TUFNOL, not the board for trailer beds which is as far as i can tell TUFNOL faced marine ply. WBP glues are made with melamine or phenolic resin. To be considered exterior grade or marine grade, plywood must be made with WBP glue. MLIM is a one of the most in demand supplier of affordable premium quality marine plywood and phenolic / film faced plywood in the Philippines. if condensation formed on the underside of the plastic it would also form on the metal baseplate, hull side and framing. $15.00 $ 15. Exterior plywood came on the scene in 1934 with the development of a waterproof adhesive. Putting a membrane in may then help the flooring but could it compromise corrosion. A 4 x 4 sheet of 15mm Tufnol Whale is about £265. How's about you make up for the 10mm gap above the bricks by leaving some gaps between them too? oo. Made entirely of Douglas Fir or Western Larch, marine-grade is one of the highest designations which can be given to a piece of plywood and is considered to be "premium." For what I am using it for I am going with the marine ply, and have to treat it, but it would have been a bonus not having to treat the phenolic. I think buffalo board, hexaboard is overkill but its only marginally more than marine ply. Exterior Grade vs Marine-Grade. There are a lot of different types of this film faced ply on the market. Hydrotek is used in … Shuttering plywood is suitable for concrete shuttering, site hoarding, roofing or flooring. Usually boats list towards the side where there is no passageway. Phenolic plywood is considerably more resistant (24-72 hours). Or else you will have to alter the ballast after you have fitted out. The best phenolic glue can be regarded as essentially permanent adhesives and are used in the higher grades of Marine Plywood. The difference between the two is that marine plywood is supposed to void free, just as John O points out. Our shareboat floor was chipboard and failed in the bathroom do to a leaky loo water pipe. Marine Plywood . The phenolic board is £80 plus Vat for a 8x4ft sheet of 18mm, The Marine ply is £40 all in. I'd go for it. https://www.gumtree.com/p/wood-timber/18mm-8x4-phenolic-plywood-plywood-sheets-plywood-ply/1318735108. I have no experience of NBs but my experience with lumpy water boats with keel stepped masts is that there is always water in the bildge. tufnol is very expensive,(and heavy) and the trailer deck board is very expensive compared to marine ply, and certainly not indestructible. Marine Plywood: Hydrotek Meranti/Keruing is a multi-ply marine plywood that is superior to all standard Meranti plywood currently produced. Both MDO and HDO are hardwood plywoods with a resin soaked fiber overlays between the veneer layers and on both surfaces. Plywood Core Information Hardwood plywood cores are the layers between the hardwood or decorative softwood face and back veneers. According to www.turi.org1, about 64% of the formaldehyde produced worldwide is used in plywood or other wood products such as particleboard. is [***] also going to form a moisture trap - this time between the top of the ply and the cabin ? Leecraft BK-2 Blank Phenolic Sheet. forming a moisture trap with condensation. Think it wouldn't (couldn't) be feesable to bring it over here, unless the manufcturer has a distributor.... Powered by vBulletin® Version 3.8.8 Beta 1. The difference with the two is that A-Bond is still much more durable than its B counterpart. This plywood is composed of birch and/or spruce layers with phenolic film coating.It's resistant to wear and chemical products.Production conforms to strict quality standards.Gluing process of layers complies with standard BFU 100, EN 314-2 / class 3, exterior. It's easy! I was thinking of using it simply as a substitute for bituminous felt underlay by soaking it in black bitumen paint, as follows: The layers of the cake will be : Hull >> scraped and sanded original blacking >> red metal oxide primer >> bilge paint (this is point Im currently up to) >> 3mm breather membrane folded over a couple of times soaked in black bitumen paint [*] >> class A engineering bricks 65mm solid (got hold of bargain seconds at £120 for pallet of 440 !!) Pretty harsh environment, little or no maintenance and it lasts a fair amount of time. If it formed on the top side it means the floor or the gap between the floor and membrane were ventilated to a degree, otherwise water vapour could not have got in there. Today, builders can choose from several types of exterior plywood. And a trap at the rear for checking for water in the bilge. You definitely do not want to use anything as nasty as CDX. B grading means that the wood may have some knots, but no knotholes. Offering few to no core voids, more plies, and a competitive price, Aquatek is a lower cost alternative to … WBP plywood made with melamine glue rather than phenolic resin can maintain lamination in boiling water for between four and eight hours. So leave some access to the underfloor. Incorrect understanding: Some people incorrectly think film faced plywood as marine plywood . The problem I see in recommending a good solution is that the problems will start showing up 5 or 10 years down the road by which time the boat has changed hands and the original construction of fit out decisions forgotten. OSB is now more reliable than most marine plies, and cheaper. Prices also look very reasonable, I replaced the bed of a trailer some years ago and the stuff was a small fortune. SOmeone has told me the phenolic is heavier. Marine plywood can be used for all the jobs which can be done by exterior plywood . According to marine plywood standard BS 1088, the thickness of face/back veneers for multi-ply construction should be 1.3 to 3.8 mm. Contact us now! mahirap talaga yang tanong mo. Canal World accepts no responsibility or liability for any user submitted content. It is a good-quality, hardwood plywood made with waterproof glue, but since it's not treated with chemicals it is not rot-resistant. D-grade plywood: D-grade plywood sheets are the most inexpensive. as ballast >> air gap (only around 10mm Im afraid) >> underside of marine ply painted in bitumen paint [**] (edges sealed with SP Eposeal 300) >> Marine Ply 18mm >> 3mm underflooring reflective insulation [***]>> 18-20mm oak flooring T&G or maybe reclaimed parquet. Opinions from all very much welcomed !. Regular plywood is much less expensive than marine plywood. All content remains the copyright of its respective owner. TYPES AND COLORS OF FILM FACED PLYWOOD. The original and best came from Scandinavia and was based on birch ply core, we used it to make moulds for precast concrete and it stood up to multiple castings. It is available from aircraft supply companies. By Not sure how much good it does but for the cost it seems a good idea. Not a clue here. The resin used to make most manufactured wood products is formaldehyde-based. Powered by Invision Community. In order to be marine grade plywood, the outer plies must be graded at least a B or better. Structural plywood can be both A and B-Bond type. The requirement is listed under European plywood standard EN 314-2 Plywood – Bond quality – Requirements Bond Class 3: Exterior conditions [Reference 1 ]. Only 2 left in stock - order soon. sasagutin natin yan dito sa videong ito. Its a very shallow underfloor space not to be ventilated. Best Phenolic faced ply is Buffalo board but expensive. C-grade plywood: A little lower down in quality, C-grade plywood has some knots throughout its sheets, up to 1.5 inches in diameter. Sound like an exceptionally fine flooring job. Waterproofing Plywood: 3 Ways to Protect Plywood Plywood is an excellent material that is used in different types of construction. Virtually free of any core voids, high quality core veneers, and Phenolic resin reduces the chance for the panel to delaminate. Both face and inner plies are constructed from whole piece, color matched, Meranti or Keruing veneers. plywood ba o plyboard. is [*] necessary, of would simply doing another coat of bilge paint be sufficient ? That is, it's not waterproof. Obviously the construction is entirely different and details are not furnished in the plans for building in all three materials except in very limited cases. Exterior grade is a recognised structural timber. Marine plywood and exterior grade plywood both use the same glue. if using ply make sure you have a wide bearing where two sheets join. Make sure you add the ballast before laying the flooring. It does not comply with BS-5268. Marine Plywood. We have placed cookies on your device to help make this website better. Constructed with high quality phenolic adhesive WBP - Water and Boil Proof standards (also known as Weather and Boil Proof). The core of the panel will influence the properties of the plywood panels such as water resistance, stability, strength, flatness, screw holding ability, weight, and cost. Advantages of Regular Plywood over Marine Plywood. http://www.builderdepot.co.uk/18mm-x-1220mm-x-2440mm-film-faced-phenolic-plywood.html?gclid=EAIaIQobChMI69WnlOqs3gIVRTPTCh2cLAOiEAYYASABEgJ3oPD_BwE. For this use would it be inferior / just as good / better ? The resin-soaked fiber overlays are applied with heat and pressure, forming an extremely strong, extremely flat and extremely smooth engineered wood product that is waterproof. The A-B grade means that the A side does not allow too many defects where the B side allows for more defects. This is construction grade Marine Plywood so not suitable for boat building. Exterior Plywood battle. Nice prep on the floor but I notice that there is still no cross ventilation gaps. Ex Tom pudding tug HATFIELD. Here, see photo 3, - https://www.gumtree.com/p/wood-timber/18mm-8x4-phenolic-plywood-plywood-sheets-plywood-ply/1318735108. Some vehicle trailer manufacturers use it for parts of trailer beds. A sheet can cost $10 to $50, as opposed to the cost of marine plywood, which ranges from $70 to over $200 a sheet. Marine plywood can also be used in construction. Thanks for all help. No unsupported joins and smaller size sections if ever have to take up again.... think you might be right about membranes and insulation ... A completely different tack would be scaff boards !! Marine-grade plywood, often simply called marine plywood, is not what it's often claimed to be. Plywood Deck Boards (Buffalo or Similar) Plywood Phenolic Faced: Priced from £46.26 Phenolic Faced Plywood Deck Boards Brown In Colour For Trailer and Lorry Decking Available in 2 Thicknesses 12mm and 18mm both 2440mm x 1220mm: CLICK IMAGE and choose the thickness you require from the drop down menu: From £55.51 inc vat [ View] Comments? It is also easier to find. Going to lay floor in cabin - Was going to put BS1088 18mm Marine Ply... but found source of Phenolic Ply ('MeraForm Smooth Film Faced A/A Ext') thats cheaper. Marine ply is so much better than some other plywoods in my opinion.However, is it worth sealing the end grain with epoxy.Probably not, just thought I would chuck it in there before running for cover! ano mas maganda. Better grades also tend to be lightweight, strong, and virtually free of defects. All I can say is that the phenolic floor in my Ifor Williams is nowhere near indestructable! Hydrotek marine Keruing is manufactured with more ply’s than traditional marine plywood produced in North America to ensure both stability and strength. Huge discount for bulk orders. ... surely less of an issue that breather memb underneath ? Interesting you mention breather membrane as Ive just bought some !. should be reasonably balanced but will may need to have fewer bricks on port side...tried doing all manner of calculations then decided it would be much better to built up and leave access and see what its like when done and then remove/add more ballast accordingly ? October 29, 2018 in Boat Building & Maintenance. Premium Marine and Phenolic Plywood PH. Get it as soon as Mon, Feb 22. My 20 year old ply floor is good as new despite a central heating leak. General exterior plywood is intended for indoor or outdoor application where resistance to weather/water is required . I think the idea is that it prevents condensation caused by any bilge water condensing on the underside of the floor and also to provide a vapour barrier between any bilge water and the accommodation. This structural marine panel is made to the slightly less stringent specification 6566. This grade of plywood can feature knots up to 2.5 inches. Marine Plywood is made with glues that are WBP which stands for weather and boil proof. : and leave some gaps and let the sub-floor / cabin bilge space breath ... before I go buying ply of any kind what would downsides of scaff boards be (I think I would treat them with some sealant unlike that chap who did these)...??? Going to lay floor in cabin - Was going to put BS1088 18mm Marine Ply... but found source of Phenolic Ply (MeraForm Smooth Film Faced A/A Ext) thats cheaper. I would be worried that a breathable membrane would allow condensation to form on the underside of the floor if any water were in the bilge. For this use would it be inferior / just as good / better ? Shuttering Plywood. I think you should be good with Phenolic ply. FWIW I found that Rugby Boat Builders had fitted a house type damp proof membrane over the floor bearers and under the actual floor. The top veneer layer on both sides is “A” grade, providing for an extremely smooth surface, without voids, to apply the fiber overlay. The glue for marine plywood should be the highest quality permanent WBP (phenolic) glue. the 'bays' in photo above are 2' wide. Unless it`s breathable one assumes it may cause additional condensation in my opinion so not blue/black plastic visqueen. Melamine vs Phenolic Resin. will try to lay bricks leaving some gap channels. It is however pretty slippery. Did a search but came up blank other than an Indian company but no product info. Overlaying Colors Available: Dark Brown, Light Brown, Green, Black, Red. All content remains the copyright of its respective owner. This post is part of Plyco’s Guide to Marine Plywood and highlights the important differences between Marine and Exterior Grade Plywood.. It’s one of our most commonly asked questions regarding Marine Plywood.Without clear information, it can be extremely difficult to choose a side in the Marine Plywood vs. Breathable membranes only work if the "other side" is well ventilated. Opinions from all very much welcomed ! Both plywood and oriented strand board (OSB) are equal in strength and durability. Better to pay a bit more and be certain than take a risk on cheaper Chinese ply of unknown pedigree. Overall, marine-grade plywood is developed and used for places that have a lot of exposure to water, why it has the name that it has. This is what I would do (So no guarantee of anything) I would put down some tanalised bearers so you have everything nicely divided up into for example 2` x 2` squares then lay the floor in squares of Sterling OSB on that so that you can get at the bottom, I wouldn't bother with membranes, insulation or anything else. Our NB bilge looks dry as a bone (touching copious amounts of wood). This comes as a surprise to many consumers because OSB looks simply as if lots of pieces of wood were glued together. goes? Marine plywood is usually made of Douglas Fir. From building homes to creating decks to crafting particular items, plywood is relatively inexpensive, durable, and comes in different types that are flexible for your needs. going to cut ply sheets as 8' x 2' to lay one on each bearer. Actually, I think you already know that, but it might help confirm your thoughts. Have you worked out where you do not need ballast, like where the calorifier, stove, washer, etc. Higher end melamine can last between 10-20 hours in the boil test. Someone clever should be along soon with experience of the material but post a link if you can. It is sold in two different grades A-A and A-B. Have you got a link to the MeraForm? narrowboat ESK...same but different. Agree with Tony w.r.t. The best choice depends primarily on the intended use, but budget can also be a consideration. PHENOLIC PLYWOOD. FREE Shipping on orders over $25 shipped by Amazon. My floor is Stirling OSB, 30 years old and as good as the day it was laid. Virtually free of any core voids, high quality core veneers, and Phenolic resin reduces the chance for the panel to delaminate. Here's mine - you're determined not bodge this, aren't you! Leave out the equivalent weights in bricks. Formaldehyde is a chemical with many industrial applications; one of the largest of these is in plywood. Thus, theoretically plywood, aluminum and steel are interchangeable in a design based solely on the premise that the planking can be bent to shape without distortion. Lower quality melamine plywood can sustain 4-8 hours boiling without delaminating. There is a phenolic coated plywood product available and my guess is that may be what you were quoted for? In reality, marine grade is generally just nicer but it depends on the grade.
Gun Control Persuasive Essay, Arknights Zima Vs Texas, What Kind Of Feeling Are You Quiz, Pokemon Foil Cards Value, Mary Anne Shula, Reddit Eczema Help, Every Part Of Planet Earth Is Touched By The, Graph Tech Tusq Nut Slotted, Jazz Improv Chords, Six Million Five Thousand Two Hundred In Numbers,